mutex: add magic checks

[fio.git] / mutex.h

diff --git a/mutex.h b/mutex.h
index 49a66e361bc52ed7c09328578dc4a912ec1c4e83..4f3486df7a3b01163515cd548678445d7e40b924 100644 (file)
--- a/mutex.h
+++ b/mutex.h
@@ -3,15 +3,20 @@
 
 #include <pthread.h>
 
+#define FIO_MUTEX_MAGIC                0x4d555445U
+#define FIO_RWLOCK_MAGIC       0x52574c4fU
+
 struct fio_mutex {
        pthread_mutex_t lock;
        pthread_cond_t cond;
        int value;
        int waiters;
+       int magic;
 };
 
 struct fio_rwlock {
        pthread_rwlock_t lock;
+       int magic;
 };
 
 enum {